#include"Add.h"
#include"Sub.h"
#include"Mul.h"
#include"Del.h"
#include<stdio.h>

int main()
{
    int x=20;
    int y=10;
    printf("%d+%d=%d\n",x,y,Add(x,y));
    printf("%d-%d=%d\n",x,y,Sub(x,y));
    printf("%d*%d=%d\n",x,y,Mul(x,y));
    printf("%d/%d=%d\n",x,y,Del(x,y));
    
    return 0;
}
